Year	Percent
2000	99.61583
2001	99.61389
2002	99.6348
2003	99.65596
2004	99.67738
2005	99.69903
2006	99.72092
2007	99.74304
2008	99.76541
2009	99.78799
2010	99.8108
2011	99.83381
2012	99.85701
2013	99.88041
2014	99.90399
2015	99.92775
2016	99.95168
2017	99.97576
2018	100
2019	100
2020	100
2021	100
2022	100